package com.jie.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.jie.servicebase.exception.GuLiException;
import com.jie.vod.service.VodService;
import com.jie.vod.utils.ConstantVodUtils;
import com.jie.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

/**
 * @author XieZhiJie
 * @create 2020-10-13 18:11
 */
@Service
public class VodServiceImpl implements VodService {

    @Override
    public String uploadVideoAliVideo(MultipartFile file) {
        try {
            // accessKeyId, accessKeySecret
            // fileName: 上传文件原始名称
            // 01.03.09.mp4
            String fileName = file.getOriginalFilename();
            // title：上传之后显示名称
            String title;
            if (fileName == null) {
                throw new GuLiException(20001, "文件名不能为空!");
            }
            title = fileName.substring(0, fileName.lastIndexOf("."));
            // inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(
                    ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET,
                    title,
                    fileName,
                    inputStream
            );

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else {  // 如果设置回调URL无效, 不影响视频上传, 可以返回VideoId同时会返回错误码. 其他情况上传失败时, VideoId为空, 此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
                System.out.println("回调URL无效...");
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public void removeMoreAlyVideos(List<String> videoIdList) {
        try {
            // 初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(
                    ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET
            );
            // 创建删除视频request对象
            DeleteVideoRequest request = new DeleteVideoRequest();

            String videoIds = StringUtils.join(videoIdList.toArray(), ",");

            // 向request设置视频 id1,id2,id3...
            request.setVideoIds(videoIds);
            // 调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        } catch(Exception e) {
            e.printStackTrace();
            throw new GuLiException(20001, "删除视频失败");
        }
    }
}
